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Yealink SIP-T57W Administrator's Guide

Yealink SIP-T57W
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Advanced Features
482
Press OK on the phone to allow remote control. The phone will return to the previous screen.
Refresh the web page.
The browser will display an image of the phone’s current screen. You can save the image to your local sys-
tem.
l Else, the browser will display an image of the phone’s current screen directly. You can save the image to
your local system.
Note: Frequent capture may affect phone performance. Yealink recommends you to capture the phone screen display within
a minimum interval of 4 seconds.
Example: Placing a Call via Web User Interface
Procedure
1. Navigate to Directory > Phone Call Info.
2. Select the desired account from the Outgoing Identity drop-down menu.
3. Enter the callee’s number in the Dial Number field.
4. Click Dial to dial out the number.
The web user interface prompts “Call Success” and the phone will automatically dial out the number.
You can click Hang Up to end the call.

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Yealink SIP-T57W Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorGray
Ethernet LANYes
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithmsAES, HTTPS, MD5, SRTP
Networking standardsIEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsFTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage5 V
Volume controlButtons
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Display diagonal7 \
Display resolution800 x 480 pixels
Front cameraNo
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Voice codecsG.722, G.723.1, G.726, G.729A, G.729B, iLBC
Weight and Dimensions IconWeight and Dimensions
Depth220 mm
Width259.4 mm
Height211 mm

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